head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
A massive open-world sandbox built around grappling-hook and parachute chaos.

Execution · Practiced Mastery
Story-driven action adventure carried by its banter more than its combat depth.
Just Cause 2 leans Execution (Practiced Mastery); Marvel's Guardians of the Galaxy leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Just Cause 2
Grapple-parachute flow rewards handling skill
Marvel's Guardians of the Galaxy
third-person shooting with generous checkpoints
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Just Cause 2
Enemy AI never adapts
Marvel's Guardians of the Galaxy
enemies follow fixed behaviors
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Just Cause 2
Sandbox chaos varies moment to moment
Marvel's Guardians of the Galaxy
story beats unknown only on first playthrough
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Just Cause 2
Chaos-point economy and settlement completion routing
Marvel's Guardians of the Galaxy
ability priorities and huddle timing are light systems
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.